Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Yomitan
Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.
28,372 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
45,618 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
99,377 users
DuckDuckGo Search & Tracker Protection
Actively protects your data in your current browser
1,171,656 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
9,846 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
91,995 users
LeechBlock NG
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
106,583 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
694,435 users
Image Max URL
Finds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup feature
21,333 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
11,914 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
3,552 users
